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Finding the Fourth Proportional to 664,954.60, 997,431.90 and 244,175.80

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Solution

The fourth proportional to 664,954.60, 997,431.90 and 244,175.80 is: 366,263.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,954.60 : 997,431.90 = 244,175.80 : x
  2. Step 2: Convert to fraction form
    664,954.60/997,431.90 = 244,175.80/x
  3. Step 3: Cross multiply
    664,954.60x = 997,431.90 × 244,175.80
  4. Step 4: Simplify right side
    664,954.60x = 243,548,732,128.02
  5. Step 5: Solve for x
    x = 243,548,732,128.02/664,954.60
  6. Step 6: Final answer
    x = 366,263.70

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.